diff --git a/deps/ox/src/ox/std/string.hpp b/deps/ox/src/ox/std/string.hpp
index 1f8eddd1..b106fa90 100644
--- a/deps/ox/src/ox/std/string.hpp
+++ b/deps/ox/src/ox/std/string.hpp
@@ -27,6 +27,8 @@ class String {
 
 		String(const char *str) noexcept;
 
+		String(String&) noexcept;
+
 		const String &operator=(const char *str) noexcept;
 
 		const String &operator=(char *str) noexcept;